Results 151 to 160 of about 534,558 (401)
Pushing Radiative Cooling Technology to Real Applications
Advanced Materials, EarlyView.Radiative cooling controls surface optical properties for solar and thermal radiation, offering solutions for global warming and energy savings. Despite significant advances, key challenges remain: optimizing optical efficiency, maintaining aesthetics, preventing overcooling, enhancing durability, and enabling scalable production.
Chongjia Lin +8 more
wiley +1 more source
Vision Research, 1996 Two line gratings abutting each other with a phase shift of half a cycle elicit the perception of an illusory line running orthogonally between the two sets of grating lines. We found that rating strength increases with increasing number of lines, line length, and phase angle.
Soriano, José Manuel +2 more
openaire +4 more sources
A Bio‐Inspired Perspective on Materials Sustainability
Advanced Materials, EarlyView.This perspective discusses natural materials as inspiration for sustainable engineering designs and the processing of materials. First, circularity, longevity, parsimony, and activity are presented as essential material paradigms. The perspective then uses many examples of natural and technical materials to introduce principles such as oligo ...
Wolfgang Wagermaier +2 more
wiley +1 more source
Colored Radiative Cooling: from Photonic Approaches to Fluorescent Colors and Beyond
Advanced Materials, EarlyView.Colored radiative cooling (CRC) has become a prevailing technology for achieving colorful appearance and simultaneously enhancing the effective solar reflectance of cooling coatings. This review presents recent advancements in CRC and its profound impact on energy savings in real‐world applications.
Tao Wang +5 more
wiley +1 more source
Terahertz optically tunable dielectric metamaterials without microfabrication
, 2012 We theoretically investigate the terahertz dielectric response of a semiconductor slab hosting an infrared photoinduced grating. The periodic structure is due to the charge carries photo-excited by the interference of two tilted infrared plane waves so ...
Brambilla, Massimo +4 more
core +1 more source
Silicon photonic grating-assisted, contra-directional couplers.
Optics Express, 2013 We demonstrate, in both theory and experiment, 4-port, electrically tunable photonic filters using silicon contra-directional couplers (contra-DCs) with uniform and phase-shifted waveguide Bragg gratings.
W. Shi +8 more
semanticscholar +1 more source
Epitaxial Ferroelectric Hexagonal Boron Nitride Grown on Graphene
Advanced Materials, EarlyView.The epitaxial growth of hexagonal boron nitride (h‐BN) multilayer films on graphene, synthesized on a miscut SiC (0001) substrate, is demonstrated using nitrogen plasma‐assisted molecular‐beam epitaxy. Robust ferroelectricity with switchable out‐of‐plane polarization via interlayer sliding is supported by theoretical and experimental insights ...
Sheng‐Shong Wong +17 more
wiley +1 more source
Laser Interferometry for Broad Area SPR-Grating Couplers in Chemical Applications
Proceedings, 2017 In this work, the fabrication of a SPR (Surface Plasmon Resonance)-grating coupler using Laser Interference Lithography (LIL) has been investigated, giving rise to large area diffraction gratings on a 100 nm-thick gold film. The period of the diffraction
Mauricio Moreno-Sereno +8 more
doaj +1 more source
Defect grating modes as superimposed grating states [PDF]
, 2003 For a symmetric grating structure with a defect, we show that a fully transmitted defect mode in the band gap can be obtained as a superposition of two steady states: an amplified and an attenuated defect state.
Andonowati, +2 more
core +1 more source